hpsa: correct return values from driver functions.

correct return codes for error conditions

Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Hannes Reinecke <hare@Suse.de>
Signed-off-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>

drivers/scsi/hpsa.c

@@ -2655,9 +2655,9 @@ static int hpsa_get_raid_map(struct ctlr_info *h,
 	if (fill_cmd(c, HPSA_GET_RAID_MAP, h, &this_device->raid_map,
 			sizeof(this_device->raid_map), 0,
 			scsi3addr, TYPE_CMD)) {
-		dev_warn(&h->pdev->dev, "Out of memory in hpsa_get_raid_map()\n");
-		rc = -ENOMEM;
-		goto out;
+		dev_warn(&h->pdev->dev, "hpsa_get_raid_map fill_cmd failed\n");
+		cmd_free(h, c);
+		return -1;
 	}
 	rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
 					PCI_DMA_FROMDEVICE, NO_TIMEOUT);
@@ -5405,7 +5405,7 @@ static int hpsa_passthru_ioctl(struct ctlr_info *h, void __user *argp)
 	if (iocommand.buf_size > 0) {
 		buff = kmalloc(iocommand.buf_size, GFP_KERNEL);
 		if (buff == NULL)
-			return -EFAULT;
+			return -ENOMEM;
 		if (iocommand.Request.Type.Direction & XFER_WRITE) {
 			/* Copy the data into the buffer we created */
 			if (copy_from_user(buff, iocommand.buf,
@@ -7955,7 +7955,7 @@ static int hpsa_alloc_ioaccel1_cmd_and_bft(struct ctlr_info *h)
 
 clean_up:
 	hpsa_free_ioaccel1_cmd_and_bft(h);
-	return 1;
+	return -ENOMEM;
 }
 
 /* Free ioaccel2 mode command blocks and block fetch table */